Description
Apache ZooKeeper is an effort to develop and maintain an open-source server which enables highly reliable distributed coordination.
Apache ZooKeeper is designed to be accessed by trusted clients inside trusted environments. It's not recommended to have Apache ZooKeeper service publicly accessible.
Remediation
It's recommended to restrict access to this service in production systems.
References
Related Vulnerabilities
RoR Database Configuration File Detected
MySQL Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2017-10268)
Moodle Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2011-4284)
Unrestricted access to Prometheus
WordPress Plugin Subscribe to Comments Unsubscribe Challenge Information Disclosure (2.0.2)